Hide the Wp-admin bar for all the user other then admin

functions.php

/**
 * Hide the Wp-admin for all the user other then admin
 */
function buddyboss_child_wp_head_hide_admin_bar() {
    if ( is_user_logged_in() ) {
	    global $current_user;
	    $roles  = (array) $current_user->roles;

	    if ( ! in_array( 'administrator', $roles ) ) {
		    ?>
            <style>
                #wpadminbar {
                    display: none!important;
                }

                .site-header {
                    border-top-width: 0 !important;
                }

                html {
                    margin-top: 0 !important;
                }
            </style>
		    <?php
        }
    }
}
add_action( 'wp_head', 'buddyboss_child_wp_head_hide_admin_bar', 100 );